Jaymi
These sound like what I call "skid marks": matching bare oval spots on the
inner thighs.  They are common in plump ferrets and are caused by nothing
more than the rubbing of ample thighs against the carpet.
 
Nothing to worry about.
 
Linda Iroff
Oberlin, Ohio
 
To help in raisin' funds for the Raisin Retreat, go here
http://www.igive.com/html/ssi.cfm?CID=3585&MID=30146
[Posted in FML issue 2731]